Finding the Fourth Proportional to 1,404.03, 1,937.07 and 814.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.03 : 1,937.07 = 814.49 : x
2. Step 2: Convert to fraction form
   1,404.03/1,937.07 = 814.49/x
3. Step 3: Cross multiply
   1,404.03x = 1,937.07 × 814.49
4. Step 4: Simplify right side
   1,404.03x = 1,577,714.46
5. Step 5: Solve for x
   x = 1,577,714.46/1,404.03
6. Step 6: Final answer
   x = 1,123.70